GB1528367A - Process for the manufacture of granular oxymethylene polymers - Google Patents

Process for the manufacture of granular oxymethylene polymers

Info

Publication number
GB1528367A
GB1528367A GB46248/75A GB4624875A GB1528367A GB 1528367 A GB1528367 A GB 1528367A GB 46248/75 A GB46248/75 A GB 46248/75A GB 4624875 A GB4624875 A GB 4624875A GB 1528367 A GB1528367 A GB 1528367A
Authority
GB
United Kingdom
Prior art keywords
stage
oxyalkylene
polymer
temperature
nov
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB46248/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19742452737 external-priority patent/DE2452737B2/de
Priority claimed from DE19752504482 external-priority patent/DE2504482B2/de
Priority claimed from DE19752509924 external-priority patent/DE2509924C3/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of GB1528367A publication Critical patent/GB1528367A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/14Powdering or granulating by precipitation from solutions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/16Powdering or granulating by coagulating dispersions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2359/00Characterised by the use of polyacetals containing polyoxymethylene sequences only
    • C08J2359/02Copolyoxymethylenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB46248/75A 1974-11-07 1975-11-07 Process for the manufacture of granular oxymethylene polymers Expired GB1528367A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19742452737 DE2452737B2 (de) 1974-11-07 1974-11-07 Verfahren zur herstellung von oxymethylenpolymeren in koerniger form
DE19752504482 DE2504482B2 (de) 1975-02-04 1975-02-04 Verfahren zur herstellung von oxymethylenpolymeren in koerniger form
DE19752509924 DE2509924C3 (de) 1975-03-07 1975-03-07 Verfahren zur Herstellung von Oxymethylenpolymeren in körniger Form

Publications (1)

Publication Number Publication Date
GB1528367A true GB1528367A (en) 1978-10-11

Family

ID=27186149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46248/75A Expired GB1528367A (en) 1974-11-07 1975-11-07 Process for the manufacture of granular oxymethylene polymers

Country Status (10)

Country Link
US (1) US4046738A (de)
JP (1) JPS5850248B2 (de)
CA (1) CA1067245A (de)
DK (1) DK140850B (de)
FR (1) FR2290461A1 (de)
GB (1) GB1528367A (de)
IE (1) IE42095B1 (de)
IT (1) IT1049027B (de)
LU (1) LU73732A1 (de)
NL (1) NL181204C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163379A (en) * 1988-10-24 1992-11-17 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Deployment of mines and other objects at sea

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620017C3 (de) * 1976-05-06 1979-05-31 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von grobkörnigen Oxymethylenpolymeren
DE2735946C3 (de) * 1977-08-10 1980-03-06 Hoechst Ag, 6000 Frankfurt Körniges Oxymethylenpolymer mit verbesserten mechanischen Eigenschaften und Verfahren zu dessen Herstellung
DK0559496T3 (da) * 1992-03-06 1997-10-27 Polyplastics Co Fremgangsmåde til fremstilling af polyoxymethylencopolymerer
JP3304391B2 (ja) * 1992-04-27 2002-07-22 ポリプラスチックス株式会社 ポリオキシメチレン樹脂製押出成形品並びにその製造法
US9149968B2 (en) 2009-02-09 2015-10-06 Basf Se Method for producing molded parts from a polyoxymethylene polymer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318848A (en) * 1963-06-20 1967-05-09 Celanese Corp Melt hydrolysis of oxymethylene copolymers
GB1053119A (de) * 1963-04-24
US3419529A (en) * 1964-09-29 1968-12-31 Celanese Corp Stabilization of oxymethylene copolymers
US3505292A (en) * 1964-09-30 1970-04-07 Celanese Corp Stabilization of oxymethylene polymers by hydrolysis
US3418280A (en) * 1964-12-31 1968-12-24 Celanese Corp Stabilization of oxymethylene copolymers by alkaline hydrolysis
GB1151762A (en) * 1966-06-24 1969-05-14 British Industrial Plastics Treatment of Oxymethylene Polymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163379A (en) * 1988-10-24 1992-11-17 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Deployment of mines and other objects at sea

Also Published As

Publication number Publication date
IE42095L (en) 1976-05-07
JPS5170293A (en) 1976-06-17
FR2290461B1 (de) 1980-09-12
NL181204B (nl) 1987-02-02
CA1067245A (en) 1979-11-27
NL7512806A (nl) 1976-05-11
IT1049027B (it) 1981-01-20
FR2290461A1 (fr) 1976-06-04
DK140850B (da) 1979-11-26
US4046738A (en) 1977-09-06
IE42095B1 (en) 1980-06-04
JPS5850248B2 (ja) 1983-11-09
DK496675A (de) 1976-05-08
DK140850C (de) 1980-04-28
NL181204C (nl) 1987-07-01
LU73732A1 (de) 1976-09-06

Similar Documents

Publication Publication Date Title
ES432947A1 (es) Procedimiento para obtener masas de moldeo, termoplasticas,ininflamables y reforzadas con fibra de vidrio.
JPS5360979A (en) Polytetrafluoroethylene fine powder and its preparation
JPS5258785A (en) Process for preparing acrylonitrile polymer melts
GB1528367A (en) Process for the manufacture of granular oxymethylene polymers
FR2433526A1 (fr) Nouveaux composes de la piperidine, procede pour leur preparation et leur utilisation comme stabilisants pour polymeres synthetiques
FR2273843B1 (de)
SE7705211L (sv) Forfarande for framstellning av grovkorniga oximetylenpolymerer
JPS5345352A (en) Resin compositions solubilized in water
IE781620L (en) Granular oxymethylene polymer
GB1398639A (en) Generation of gaseous formaldehyde from formaldehyde polymer
US3873492A (en) Gypsum compositions for gypsum-thermoplastic composite
ES422776A1 (es) Procedimiento para preparar composiciones pulverulentas po-limericas y copolimericas a base de cloruro de vinilo.
JPS51126241A (en) Polytetrafluoroethylene resin composition
JPS5254794A (en) Preparation of modified polychlorotrifluoroethylene
JPS5280340A (en) Colored particulate resin compositions
JPS5749640A (en) Flame retardant polyvinyl chloride composition
JPS5294391A (en) Polymerization of alpha-olefins
GB1536964A (en) Process for preparing oxymethylene polymers in a granular form
JPS5247088A (en) Process for preparing acrylonitrile polymer
GB973734A (en) Oxidation of poly-ª‡-olefines
JPS5628237A (en) Polyoxymethylene resin composition for plating
JPS57189359A (en) Conductive disc type recording carrier
JPS5650923A (en) Polyester molding material and its manufacture
SU510488A1 (ru) Полимерна композици
JPS57119901A (en) Suspension polymerization

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941107